#551C82#551C82

#551C82 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.2% C 0.160 H 305.1°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#551C82
RGB	rgb(85, 28, 130)
HSL	hsl(274, 65%, 31%)
HSV	hsv(274, 78%, 51%)
CMYK	cmyk(34.6%, 78.5%, 0%, 49%)
CIE-LAB	lab(24.87, 44.68, -46.05)
CIE-LCH	lch(24.87, 64.16, 314.14°)
OKLab	oklab(37.25% 0.092 -0.1311)
OKLCH	oklch(37.25% 0.16 305.1)
XYZ	xyz(8.1899, 4.3736, 21.5275)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551C82 #49821C

analogous

#221C82 #551C82 #821C7C

triadic

#551C82 #82551C #1C8255

tetradic

#551C82 #82221C #49821C #1C7C82

square

#551C82 #82221C #49821C #1C7C82

split-complementary

#551C82 #7C821C #1C8222

monochromatic

#13061D #341150 #551C82 #7627B4 #9542D6

Accessibility & contrast

On white

11.20

#551C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#551C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551C82

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551C82	#FFFFFF	#000000	##FFFFFF
##551C82	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003B80

Tritanopia (blue-blind)

#4D364E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #551c82;
/* rgb */ color: rgb(85, 28, 130);
/* oklch */ color: oklch(37.2% 0.160 305.1);

Tailwind

colors: {
  custom: {
    50: '#8a5fa7',
    500: '#551c82',
    950: '#000000',
  },
}

SCSS

$custom: #551c82;
$custom-light: #8a5fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#551c82",
  "rgb": {
    "r": 85,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 273.529,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37249,
    "c": 0.16017,
    "h": 305.1
  },
  "luminance": 0.04374
}

Semantic roles & 50–950 ramp

primary

#551C82

secondary

#76B544

accent

#E8408A

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #551C82

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →